If you have downloaded this specific file, you cannot run it by itself. It is a piece of a larger puzzle.
If you only have setup-2a.bin and rar 1 , you are missing the first disk or part. You must redownload all parts from your original source. i setup 2a bin call of duty modern warfare 2 rar 1 patched
If "2a bin" was a typo and you meant "to a bin" (referring to a disc image format like .bin/.cue), you might want to clarify that in the post. However, in some modding communities, "2a" refers to a specific alpha or beta build, so I treated it as a version number in the examples above. If you have downloaded this specific file, you